Invention Grant
- Patent Title: Magnetic resonance cest imaging sequence and device based on frequency stabilization module
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Application No.: US16762917Application Date: 2019-09-03
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Publication No.: US11237239B2Publication Date: 2022-02-01
- Inventor: Yi Zhang , Ruibin Liu , Hongxi Zhang , Dan Wu
- Applicant: ZHEJIANG UNIVERSITY
- Applicant Address: CN Hangzhou
- Assignee: ZHEJIANG UNIVERSITY
- Current Assignee: ZHEJIANG UNIVERSITY
- Current Assignee Address: CN Hangzhou
- Agency: W&G Law Group
- Priority: CN201811210428.3 20181017
- International Application: PCT/CN2019/104183 WO 20190903
- International Announcement: WO2020/078131 WO 20200423
- Main IPC: G01R33/485
- IPC: G01R33/485 ; G01R33/54 ; G01R33/565 ; G01R33/56

Abstract:
A magnetic resonance CEST imaging sequence and device based on a frequency stabilization module are provided. It includes following steps: first, in the frequency stabilization module, exciting a target slice with a small-flip-angle radio frequency pulse, and collecting three lines of non-phase-encoded k-space data; second, obtaining an estimated value of the frequency drift of the main magnetic field by calculating the phase difference between the three lines of non-phase encoded k-space data; third, adjusting a center frequency of the radio frequency pulse based on the calculation result of the frequency drift of the main magnetic field, to realize a real-time correction of the frequency drift of the main magnetic field; and fourth, performing conventional magnetic resonance CEST imaging.
Public/Granted literature
- US20210373100A1 MAGNETIC RESONANCE CEST IMAGING SEQUENCE AND DEVICE BASED ON FREQUENCY STABILIZATION MODULE Public/Granted day:2021-12-02
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